Honda Civic battery and alternator repeatedly replaced, air conditioner issue on Honda Civic

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some Honda Civic owners report experiencing persistent battery charging issues even after replacing both the alternator and the battery, which may indicate underlying electrical problems. These issues can stem from a malfunctioning alternator, which is crucial for generating electricity and charging the battery while the vehicle is running. Signs of a bad alternator include flickering lights and electrical malfunctions, such as radio issues or non-functioning accessories. Additionally, a dead battery often signals a damaged alternator, contributing to repeated battery failures. Some owners also find that a faulty serpentine belt can prevent the alternator from charging effectively. If these problems persist, it is advisable for owners to seek a professional mechanic's inspection of the electrical system to accurately identify the root cause and avoid unnecessary replacements, ensuring the proper functioning of the air conditioner and other electrical components.

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